| Staines-upon-Thames to Alenquer | 948.95 mi (1,527.18 km) |
| Staines-upon-Thames to Alfena | 800.41 mi (1,288.13 km) |
| Staines-upon-Thames to Alijo | 775.60 mi (1,248.21 km) |
| Staines-upon-Thames to Aljustrel | 1,005.52 mi (1,618.22 km) |
| Staines-upon-Thames to Almada | 975.45 mi (1,569.84 km) |
| Staines-upon-Thames to Almargem | 967.17 mi (1,556.51 km) |
| Staines-upon-Thames to Almeirim | 931.17 mi (1,498.57 km) |
| Staines-upon-Thames to Amadora | 973.64 mi (1,566.91 km) |
| Staines-upon-Thames to Amarante | 788.53 mi (1,269.01 km) |
| Staines-upon-Thames to Amares | 772.53 mi (1,243.27 km) |
| Staines-upon-Thames to Amora | 978.07 mi (1,574.05 km) |
| Staines-upon-Thames to Anadia | 848.91 mi (1,366.19 km) |
| Staines-upon-Thames to Angra do Heroismo | 1,560.51 mi (2,511.40 km) |
| Staines-upon-Thames to Ansiao | 881.68 mi (1,418.93 km) |
| Staines-upon-Thames to Anta | 817.04 mi (1,314.89 km) |
